oracle.spatial.network.nfe.expression

Interface NFEExpressionAnalyzer

All Known Implementing Classes:

ExpressionLexicalAnalyzer

public interface NFEExpressionAnalyzer

This interface defines the methods to set an expression and build it.

Method Summary

Modifier and Type	Method and Description
ReturnValue	build(NFEFeature feature) Builds the expression and return the expression value.
void	setExpression(java.lang.String expression) Sets the expression to analyze.

Method Detail

build

ReturnValue build(NFEFeature feature)
           throws InvalidExpressionException

Builds the expression and return the expression value.

Parameters:

feature - feature to use in the expression.

Returns:

return value, the value can be a boolean or a double.

Throws:

InvalidExpressionException - if the expression is not valid

setExpression

void setExpression(java.lang.String expression)

Sets the expression to analyze.

Parameters:

expression - expression